CA2107269A1 - Ferrofluidic seal centering ring - Google Patents
Ferrofluidic seal centering ringInfo
- Publication number
- CA2107269A1 CA2107269A1 CA002107269A CA2107269A CA2107269A1 CA 2107269 A1 CA2107269 A1 CA 2107269A1 CA 002107269 A CA002107269 A CA 002107269A CA 2107269 A CA2107269 A CA 2107269A CA 2107269 A1 CA2107269 A1 CA 2107269A1
- Authority
- CA
- Canada
- Prior art keywords
- centering ring
- seal
- shaft
- pole piece
- centering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000011554 ferrofluid Substances 0.000 claims abstract description 66
- 230000009172 bursting Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 28
- 238000012354 overpressurization Methods 0.000 claims description 13
- 230000000717 retained effect Effects 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 11
- 230000004907 flux Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004693 Polybenzimidazole Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229920002480 polybenzimidazole Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001527902 Aratus Species 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000555825 Clupeidae Species 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 241001237728 Precis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229920010741 Ultra High Molecular Weight Polyethylene (UHMWPE) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- KAATUXNTWXVJKI-UHFFFAOYSA-N cypermethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 235000008113 selfheal Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96081892A | 1992-10-08 | 1992-10-08 | |
| US07/960,818 | 1992-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2107269A1 true CA2107269A1 (en) | 1994-04-09 |
Family
ID=25503682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002107269A Abandoned CA2107269A1 (en) | 1992-10-08 | 1993-09-29 | Ferrofluidic seal centering ring |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5593164A (de) |
| EP (1) | EP0596269B1 (de) |
| JP (1) | JPH06193742A (de) |
| AU (1) | AU4863093A (de) |
| CA (1) | CA2107269A1 (de) |
| DE (1) | DE69322236T2 (de) |
| TW (1) | TW268996B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939979A (zh) * | 2017-12-14 | 2018-04-20 | 广西科技大学 | 一种径向发散型迷宫式磁流体密封装置 |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5711532A (en) * | 1993-12-16 | 1998-01-27 | A. W. Chesterton Company | Securing and centering devices for a split mechanical seal |
| DE19748292C2 (de) * | 1997-10-31 | 2000-03-02 | Zeiss Carl Jena Gmbh | Verfahren zum Anbringen einer Winkelteilung an einer Teilscheibe für Rotationsmeßsysteme |
| JP4073064B2 (ja) * | 1997-12-02 | 2008-04-09 | 株式会社リガク | 耐磁場磁性流体シール装置 |
| US6017036A (en) * | 1998-12-08 | 2000-01-25 | Murphy; Glendon W. | Mechanical shaft seal |
| US6333775B1 (en) | 1999-01-13 | 2001-12-25 | Euv Llc | Extreme-UV lithography vacuum chamber zone seal |
| US6347292B1 (en) * | 1999-02-17 | 2002-02-12 | Den-Con Electronics, Inc. | Oilfield equipment identification method and apparatus |
| DE19918839A1 (de) * | 1999-04-20 | 2000-11-30 | Mediport Kardiotechnik Gmbh | Vorrichtung zum Abdichten eines Ringspaltes |
| US6543782B1 (en) * | 2001-04-11 | 2003-04-08 | Ferrotec (Usa) Corporation | Non-bursting ferrofluid seal |
| US6857635B1 (en) * | 2001-10-18 | 2005-02-22 | Ferrotec (Usa) Corporation | Ultra high vacuum ferrofluidic seals and method of manufacture |
| US6558042B1 (en) | 2001-12-28 | 2003-05-06 | Sae Magnetics(H. K.) Ltd. | Bearing guided ferrofluid seal and seal carrier |
| CA2739789C (en) * | 2008-10-09 | 2016-08-02 | Rigaku Innovative Technologies, Inc. | Magnetic fluid seal with centering of bearing and shaft by compressible member |
| CN101737494B (zh) * | 2010-02-03 | 2011-07-20 | 北京交通大学 | 大直径法兰盘磁性液体静密封装置 |
| CN102537367B (zh) * | 2012-01-12 | 2014-12-03 | 北京理工大学 | 一种磁流体轴密封装置 |
| CN103133698B (zh) * | 2013-02-07 | 2015-04-15 | 北京交通大学 | 一种改变分瓣式磁性液体密封间隙的方法 |
| CN103133699B (zh) * | 2013-02-07 | 2015-04-15 | 北京交通大学 | 一种提高大间隙分瓣式磁性液体密封耐压能力的方法 |
| CN105351738B (zh) * | 2015-11-30 | 2017-09-01 | 中冶南方工程技术有限公司 | 一种煤气柜的磁流体密封装置 |
| CN107956883A (zh) * | 2017-12-14 | 2018-04-24 | 广西科技大学 | 一种径向套筒型迷宫式磁流体密封装置 |
| CN111113320B (zh) * | 2018-10-30 | 2022-01-18 | 沈阳新松机器人自动化股份有限公司 | 用于燃气表机芯密封圈的拾取安装夹具 |
| DE102019218446A1 (de) * | 2019-11-28 | 2021-06-02 | Volkswagen Aktiengesellschaft | Elektromaschine mit reibungsarmer Luftspaltabdichtung und Kraftfahrzeug |
| CN112207532B (zh) * | 2020-10-10 | 2022-02-22 | 安徽井利电子有限公司 | 一种扬声器回收用拆装装置的实施方法 |
| CN113074254B (zh) * | 2021-04-15 | 2022-08-02 | 西华大学 | 一种用于高温工况的高速磁流体密封装置 |
| CN113108064B (zh) * | 2021-04-29 | 2022-03-25 | 北京交通大学 | 一种模块化磁性液体密封装置 |
| CN113669459B (zh) * | 2021-07-20 | 2022-04-29 | 清华大学 | 减小启动力矩的磁性液体密封装置 |
| EP4224041A1 (de) * | 2022-02-07 | 2023-08-09 | Siemens Energy Global GmbH & Co. KG | Gleitring |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB783881A (en) * | 1954-03-05 | 1957-10-02 | Vickers Electrical Co Ltd | Improvements relating to shaft and like seals |
| US2927347A (en) * | 1954-06-04 | 1960-03-08 | Schiess Ag | Gill bar |
| GB773351A (en) * | 1954-08-05 | 1957-04-24 | Jacuzzi Bros Inc | Improvements in or relating to hydrotherapy apparatus |
| GB1292338A (en) * | 1968-10-28 | 1972-10-11 | Karl-Heinz Steigwald | Sealing means |
| US3572855A (en) * | 1968-10-28 | 1971-03-30 | Apex Bearing Co | Fluid seals |
| US3740060A (en) * | 1971-11-03 | 1973-06-19 | Avco Corp | A shaft seal |
| US4054293A (en) * | 1976-12-27 | 1977-10-18 | Borg-Warner Corporation | Hybrid magnetic fluid shaft seals |
| US4171818A (en) * | 1977-04-04 | 1979-10-23 | Ferrofluidics Corporation | Dynamic lip seal using ferrofluids as sealant/lubricant |
| JPS5927448B2 (ja) * | 1978-10-03 | 1984-07-05 | 日本電信電話株式会社 | 軸受装置 |
| US4295276A (en) * | 1978-11-03 | 1981-10-20 | Caterpillar Tractor Co. | Template for aligning a shaft |
| SU773351A1 (ru) * | 1979-03-19 | 1980-10-23 | Ивановский энергетический институт им. В.И.Ленина | Уплотнительный узел |
| US4252353A (en) * | 1979-04-26 | 1981-02-24 | Ferrofluidics Corporation | Self-activating ferrofluid seals |
| US4252328A (en) * | 1980-05-01 | 1981-02-24 | Ferrofluidics Corporation | Self-activating ferrofluid seal and method |
| DE3019864C2 (de) * | 1980-05-23 | 1982-05-27 | Kraftwerk Union AG, 4330 Mülheim | Generatorläufer, insbesondere Turbogeneratorläufer, mit supraleitender Erregerwicklung |
| US4424974A (en) * | 1981-08-08 | 1984-01-10 | Nippon Telegraph & Telephone Public Corp. | Ferro fluidic seal |
| US4440402A (en) * | 1982-03-25 | 1984-04-03 | Mechanical Technology Incorporated | Ferrofin magnetic seal with opposed fin-like projections |
| US4436313A (en) * | 1982-04-30 | 1984-03-13 | Japanese National Railways | Device for sealing a propeller shaft against invasion of sea water |
| US4527802A (en) * | 1983-03-21 | 1985-07-09 | Mechanical Technology Incorporated | Integral magnetic fluid centrifugal high speed gas seal and method |
| US4506895A (en) * | 1984-08-29 | 1985-03-26 | Ferrofluidics Corporation | Self-activating ferrofluid seal apparatus and method of use |
| JPS61189368A (ja) * | 1985-02-13 | 1986-08-23 | Ebara Corp | 立型水力機械の駆動軸の軸封装置 |
| DE3535445A1 (de) * | 1985-10-04 | 1987-04-16 | Goetze Ag | Wellenabdichtungssystem |
| US4694213A (en) * | 1986-11-21 | 1987-09-15 | Ferrofluidics Corporation | Ferrofluid seal for a stationary shaft and a rotating hub |
| GB2199381A (en) * | 1986-12-23 | 1988-07-06 | Ford Motor Co | Seal installation |
| US4815747A (en) * | 1988-02-01 | 1989-03-28 | The Gorman-Rupp Company | Face type seal assembly |
| SU1537941A1 (ru) * | 1988-03-28 | 1990-01-23 | Киевский Филиал Всесоюзного Научно-Исследовательского И Проектно-Конструкторского Института Техники, Технологии И Организации Управления Строительством Предприятий Нефтяной И Газовой Промышленности | Уплотнительное устройство |
| DE3811227C2 (de) * | 1988-04-02 | 1996-04-11 | Freudenberg Carl Fa | Ferrofluiddichtung |
| US4933927A (en) * | 1989-02-24 | 1990-06-12 | Conner Peripherals, Inc. | Disk centering method and apparatus for centering disks for disk drives |
| US5035062A (en) * | 1990-04-06 | 1991-07-30 | Intel Corporation | Apparatus and method for aligning automated loading and unloading arms |
| IL94955A0 (en) * | 1990-07-03 | 1991-06-10 | Msb Technologies Ltd | Spindle assembly |
| NZ260456A (en) * | 1990-11-28 | 1995-10-26 | Chesterton A W Co | Bolt bearing tab engages gland of machine housing in tenon/mortise type joint : tab bolt-bearing and side gland engaging surfaces forming obtuse angle |
-
1993
- 1993-09-28 AU AU48630/93A patent/AU4863093A/en not_active Abandoned
- 1993-09-29 CA CA002107269A patent/CA2107269A1/en not_active Abandoned
- 1993-10-06 DE DE69322236T patent/DE69322236T2/de not_active Expired - Fee Related
- 1993-10-06 EP EP93116121A patent/EP0596269B1/de not_active Expired - Lifetime
- 1993-10-08 JP JP5253364A patent/JPH06193742A/ja active Pending
-
1994
- 1994-01-25 TW TW083100623A patent/TW268996B/zh active
-
1995
- 1995-11-22 US US08/561,563 patent/US5593164A/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939979A (zh) * | 2017-12-14 | 2018-04-20 | 广西科技大学 | 一种径向发散型迷宫式磁流体密封装置 |
| CN107939979B (zh) * | 2017-12-14 | 2023-05-02 | 广西科技大学 | 一种径向发散型迷宫式磁流体密封装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69322236T2 (de) | 1999-09-02 |
| DE69322236D1 (de) | 1999-01-07 |
| EP0596269A1 (de) | 1994-05-11 |
| TW268996B (de) | 1996-01-21 |
| US5593164A (en) | 1997-01-14 |
| JPH06193742A (ja) | 1994-07-15 |
| EP0596269B1 (de) | 1998-11-25 |
| AU4863093A (en) | 1994-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |